dbcve.org
Incorrect AuthorizationWeakness · CWE-863

CVE-2025-40567

MEDIUM · 6.5 CVSS v3.1 Published 2025-06-10
Mitigation only
No fix yet — a mitigation exists. There is no fixed release. A documented workaround reduces exposure in the meantime.
See remediation →
71/100
Remediation priority · Elevated
Remotely reachable Zero-click

Official description Straight from the sourceThe vendor's or NVD's own wording, published unedited. Authoritative, but often terse — it says what broke, rarely what to do.

NVD · unedited
A vulnerability has been identified in RUGGEDCOM RST2428P (6GK6242-6PA00) (All versions < V3.2), SCALANCE XCH328 (6GK5328-4TS01-2EC2) (All versions < V3.2), SCALANCE XCM324 (6GK5324-8TS01-2AC2) (All versions < V3.2), SCALANCE XCM328 (6GK5328-4TS01-2AC2) (All versions < V3.2), SCALANCE XCM332 (6GK5332-0GA01-2AC2) (All versions < V3.2), SCALANCE XRH334 (24 V DC, 8xFO, CC) (6GK5334-2TS01-2ER3) (All versions < V3.2), SCALANCE XRM334 (230 V AC, 12xFO) (6GK5334-3TS01-3AR3) (All versions < V3.2), SCALANCE XRM334 (230 V AC, 8xFO) (6GK5334-2TS01-3AR3) (All versions < V3.2), SCALANCE XRM334 (230V AC, 2x10G, 24xSFP, 8xSFP+) (6GK5334-5TS01-3AR3) (All versions < V3.2), SCALANCE XRM334 (24 V DC, 12xFO) (6GK5334-3TS01-2AR3) (All versions < V3.2), SCALANCE XRM334 (24 V DC, 8xFO) (6GK5334-2TS01-2AR3) (All versions < V3.2), SCALANCE XRM334 (24V DC, 2x10G, 24xSFP, 8xSFP+) (6GK5334-5TS01-2AR3) (All versions < V3.2), SCALANCE XRM334 (2x230 V AC, 12xFO) (6GK5334-3TS01-4AR3) (All versions < V3.2), SCALANCE XRM334 (2x230 V AC, 8xFO) (6GK5334-2TS01-4AR3) (All versions < V3.2), SCALANCE XRM334 (2x230V AC, 2x10G, 24xSFP, 8xSFP+) (6GK5334-5TS01-4AR3) (All versions < V3.2). The "Load Rollback" functionality in the web interface of affected products contains an incorrect authorization check vulnerability. This could allow an authenticated remote attacker with "guest" role to make the affected product roll back configuration changes made by privileged users.

Technical summary Written by usOur analysis, written from the advisory, the CVSS vector and the affected-version data. It adds context the advisory leaves out, and never invents facts that are not in the source.

dbcve analysis · high confidence

This is an Incorrect Authorization (Broken Access Control) vulnerability in the web interface of Siemens industrial Ethernet switches. The 'Load Rollback' function, which restores previous device configurations, fails to properly enforce role-based access controls. An authenticated user with only 'guest' privileges can trigger configuration rollbacks that should require administrator-level permissions, potentially undoing security-sensitive changes made by privileged users.

MitigationUpdate affected devices to firmware version V3.2 or later to resolve the authorization flaw. Until patched, restrict or monitor guest account access to the web interface and consider network segmentation to limit exposure.

Verify against the referenced sources before acting — the references below are authoritative for this CVE, this summary is not.

CVSS breakdown How the score is builtThe industry scoring standard. It rates how the flaw is reached, what it takes to exploit, and what an attacker gains — the score is derived from those, not the other way round.

From the vector
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
High
Availability
None

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N

Am I affected? How to checkSteps we derive from the advisory and the affected-version data, so you can decide whether this CVE reaches your setup. They are a guide, not a scan — your own configuration is the authority.

dbcve checks

Work through these to decide whether this CVE applies to you.

  1. Identify the device model
    Access the device web interface or CLI and retrieve the model name and firmware version. This is typically found in the system information or status page of the web UI, or via 'show version' command in CLI.
    Affected if The device is a Siemens industrial Ethernet switch with web interface firmware versions prior to V3.2.
  2. Check the installed firmware version
    Locate the firmware version displayed in the device web interface (usually under System > Information or similar) or CLI output. Compare this version number against the fixed version V3.2.
    Affected if The firmware version is below V3.2, indicating the authorization patch has not been applied.
  3. Verify the web interface is enabled
    Check device configuration for web management access. In CLI, this may appear as 'http server' or 'web server' settings. Confirm the HTTP/HTTPS web interface is active.
    Affected if The web interface is enabled and the firmware version is below V3.2, exposing the vulnerability.
  4. Review configured user roles and accounts
    In the web interface, navigate to User Management, Administrator, or Accounts settings. Identify whether guest-level or limited-privilege accounts exist alongside administrator accounts.
    Affected if A guest or limited-privilege user account exists alongside the administrator role, allowing the flawed authorization check to be exploited.
  5. Confirm Load Rollback feature accessibility
    Log in with a guest or limited-privilege account. Navigate to the configuration or maintenance section and attempt to locate the 'Load Rollback' or 'Configuration Rollback' function. Observe whether the interface loads or allows access to rollback controls.
    Affected if A guest-level user can access or trigger the Load Rollback function, confirming the broken access control is present.

You are affected if you are running a Siemens industrial Ethernet switch with web interface firmware below V3.2 and guest-privilege accounts can access the Load Rollback function.

Generated from the published advisory. Verify against your own configuration.

Check your environment

Paste your version and any relevant configuration and it will be compared against the affected criteria above. Do not include secrets or credentials.

AI-assisted, checked against the advisory. Informational, not a guarantee.

Remediation Closing itWhat it takes to close this. Where a vendor fix exists we point at it; where none exists we say so plainly, and can build one. Effort estimates are scoped from the advisory, not from your codebase.

dbcve · scoped
Mitigation available No clean upgrade yet — mitigate in the meantime
Mitigation

Update affected devices to firmware version V3.2 or later to resolve the authorization flaw. Until patched, restrict or monitor guest account access to the web interface and consider network segmentation to limit exposure.

Recommended fix Moderate confidence

V3.2

  1. 1. Identify the exact Siemens RUGGEDCOM or SCALANCE product model from the list of affected devices
  2. 2. Determine the current firmware version currently installed on the device
  3. 3. Download firmware version V3.2 or later from the Siemens industrial support website (cert-portal.siemens.com or siemens.com/industry)
  4. 4. Review Siemens firmware upgrade instructions for your specific device model
  5. 5. Apply the firmware upgrade to the device via the recommended method (web interface, CLI, or Siemens-provided tool)
  6. 6. Verify the upgrade was successful by checking the firmware version after reboot
  7. 7. Confirm the guest role user can no longer access Load Rollback functionality without proper authorization
Caveat Firmware updates in industrial devices may affect configuration compatibility; review release notes before upgrading

Generated from the published advisory — verify against the referenced sources before acting.

Have this fixed Scoped from the published advisory
  • Consultation8.0 h
  • Implementation4.0 h
  • Testing8.0 h
  • Review / QA4.0 h
24.0 hours of engineering $4,240
Get help mitigating

An estimate, not a bill — we confirm scope with you before any work starts. Need it this week? Rush from $6,784.

Scan for this in your stack

Free · runs locally
dbcve dependency scanner

Check whether your project pulls in CVE-2025-40567 — or any other known-vulnerable package — straight from your lock files. Free and open source; it runs locally and uploads nothing.

Get it on GitHub Scan in the browser

References Go to the primary sourcePrimary sources — vendor advisories, patches and trackers. Where our summary and a reference disagree, the reference wins.

Primary sources

Practitioner notes

Contributed

Peer-ranked notes from engineers who’ve handled CVE-2025-40567 in production — separate from our analysis above.

No notes yet

Be the first to add a field note for this CVE — a mitigation you’ve verified, a version caveat, or a link to a working fix. Sign in above to contribute.

What this is

A place for practitioners to share what actually worked: a mitigation you’ve tested, a configuration change, a version- or environment-specific caveat, or a link to a verified patch. The most useful notes rise to the top as peers upvote them, so the signal stays high.

What belongs here
  • Verified mitigations, workarounds, and config changes
  • Version or environment caveats, and links to real fixes
  • No weaponised exploit code, or anything meant to cause harm
  • No spam, self-promotion, credentials, or personal data